What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:bipolar disorder or schizophreniadifficulty in urine passingglaucomakidney or liver diseasethoughts or plans of suicide or a previous suicide attempt or family history of suicide attemptan unusual or allergic reaction to doxepin, sulfites, tartrazine dye, other medicines, foods, dyes, or preservativespregnant or trying to get pregnantbreast-feeding

How should I use this medicine?

Take this medicine by mouth with a glass of water. Take your doses at regular intervals. Do not take your medicine more often than directed. Do not stop taking except on the advice of your doctor or health care professional.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 12 years for selected conditions, precautions do apply.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine?

Do not take this medicine with any of the following:arsenic trioxidecertain medicines used to regulate abnormal heartbeat or to treat other heart conditionscisapridehalofantrinelevomethadylMAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnateother medicines for mental depressionphenothiazines like perphenazine, thioridazine and chlorpromazinepimozideprocarbazinesparfloxacinSt. John's Wortziprasidone

This medicine may also interact with the following:cimetidinetolazamide

This list may not describe all possible interactions. Give your health care providers a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular checks on your progress. It can take several days before you feel the full effect of this medicine. If you have been taking this medicine regularly for some time, do not stop taking it at once. You must reduce the dose gradually or you may get severe side effects. Ask your doctor or health care professional for advice. Even after you stop taking this medicine it can still affect your body for several days.

Patients and their families should watch out for worsening depression or thoughts of suicide. Also watch out for sudden or severe changes in feelings such as feeling anxious, agitated, panicky, irritable, hostile, aggressive, impulsive, severely restless, overly excited and hyperactive, or not being able to sleep. If this happens, especially at the beginning of antidepressant treatment or after a change in dose, call your health care professional.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may increase dizziness and drowsiness. Avoid alcoholic drinks.

Do not treat yourself for coughs, colds, or allergies without asking your doctor or health care professional for advice. Some ingredients can increase possible side effects.

Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your doctor if the problem does not go away or is severe.

This medicine may cause dry eyes and blurred vision. If you wear contact lenses you may feel some discomfort. Lubricating drops may help. See your eye doctor if the problem does not go away or is severe.

This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.

What side effects may I notice from this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:abnormal production of milk in femalesallergic reactions like skin rash, itching or hives, swelling of the face, lips, or tonguebreast enlargement in both males and femalesbreathing problemsconfusion, hallucinationsexcessive thirst and/or hungerfast, irregular or pounding heartbeatfever with sweatingmuscle stiffness, or spasmsa more often urine passingseizuressuicidal thoughts or other mood changesswelling of the testiclestingling, pain, or numbness in the feet or handsdifficult urine passing or change in the amount of urineyellowing of the eyes or skin

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):change in sex drive or performanceconstipation, or diarrheanausea, vomitingweight gain or loss